Call JavaScript from JSP form tags? [closed]

I have this JSP code

<%=xx.getText("SHOP.NR")%>:</th><td><%=web.getFormInputText("NR", "form-control")%>

This generates this HTML code in the Browser.

<input type="text"       name="NR"       id="NR"       size="50"       value=""       maxlength="50"       class="form-control" />

I know how to call a Javascript function with the ID or name of it with pure HTML code. Can I do the same on the JSP code that is converted to HTML or do I need to replace the JSP code to pure HTML code to be able to call javascript from my field or use an onChange on the field?

I have tested if I can manually insert id="" or similar in the code below so that JavaScript can find it, but JavaScript cannot find my field with the code below.

<%=xx.getText("SHOP.NR")%>:</th><td><%=web.getFormInputText("NR", "form-control")%>